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Leona [35]
3 years ago
13

Whats the answer to this question

Mathematics
1 answer:
guapka [62]3 years ago
8 0

Answer:

a=20

Step-by-step explanation:

7+13=20

20-7=13

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6 0
3 years ago
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Lana71 [14]

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Step-by-step explanation:

4 0
2 years ago
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